BRISK WITH GROOVE AND MANUFACTURING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a brisk having an improved outline of a weld face in a gas turbine engine. SOLUTION: The brisk 10 includes a disk 16 having a rim 16a. A row of blades 18 constitutes an integral structure and extends outward from a rib. Each of the blades is arranged at an interval in a disk rim blades to define an inner flow passage channel with groove 22 extending in an axial direction between the blades, and forms a boundary between flow passages 20 corresponding to each of the blades.